Optical brighteners help dull

This inspired Sebastian to protect and style hair with 9 revitalizing extracts

While ordinary products flake off when the hair is restyled

two walnut-sized amounts for medium-length hair and three walnut-sized amounts for long hair

L'Oreal Serie Expert Blondifier Cool Blonde Perfector 150ml Topseller Optical brighteners help dullL'Oreal Serie Expert Blondifier Cool Blonde Perfector 150ml The L'Oral Professionnel SE Blondifier Cool Blonde Perfector is enriched with violet color pigments to remove unwanted yellow tones. For a beautiful, cool and neutral blonde tone. Application: Add 4 pumps of the additive to 15ml or 3 pumps to each 10ml mask of Powermix. Apply personalized mask evenly to damp hair as usual and leave for 5 minutes. Do not apply the additive to the hair